Sound-reproducing machine.



' IIIII @7% /fwl/ improvements in sound-reproducing ma-l Application filed March 81913.

To @ZZ *wLo//z/ 'it muy concern.'

Be it known that I. FOREST CHENEY. a citizen of the United States, and a resident of Chicago, in the count-y of Cook and State of Illinois, have invented certain new and useful Improvements in Sound-Reproducinir Machines, of which the following is a full, clear, and exact specification.

y invention 1s concerned with certain chines that are designed to make the adjustment of the needle easier than is possible with these devices as they are nowv constructed.

Mv improved machine includes a breechloading needle-holder, together with a gage by which the needles can be accurately adjusted without any expert knowledge of how the adjustment should be effected.

v improved machine also embodies a novel construction of the needle-holder and needle-arm, and its connections with the sound box, as will be hereinafter described.

To illustrate my invention, I annex hereto drawings, in which ,the same reference characters are used to designate identical parts in all the figures, of which* Figure 1 is a top p'lan'view of a portion of a machine embodying my invention;

Fig. 2 is a side elevation of the sound box resting upon the 'needle-adjusting gage;

1g. 3 is a. detail in section on the line AA of Fig. 1.

Heretofore, the set screw 41 has been threaded through the needle-holder 31 so that the set screw stands at right angles to the plane of the diaphragm 10. As a result of the screw, with the vibraehanged with the change of direction of the In moving in one direction, the needle would have its fulcrum against the result,

any point, and there is no change in the fulcrum point of the needle as it vibratesfrom one side to another, and distortion of the tone which results with the old arrangement.

Specification of Letters Patent.

-is dropped through the Patented Dec. 17, 1918. Serial No. 752.861.

Referring to Figs. 1, 2 and 3, it will he seen that I form or place on the cabinet` a ljacent to the disk-holder` a guide rail 42. which stands at the proper angle so that as the tone arm 23 is swung. the sound box can rest`thereon, as shown in Fig'. 3. A\djacent the inner end of this guide rail 42. I place an aperture 43 in the table, and when the set screw 41 is unloosened, the discarded needle can be tapped, and will fall out of the holder through the aperture 43 into a suitable receptacle. It will be understood that the aperture 43 itself might constitute the receptacle. Beyond the aperture 43, I place a Series of steps 44', 45 and 46, which are adapted, when a needle of the proper grade aperture 3G in the throughout its length so that the needle can be inserted" from the top of the holder making it breech-loading.

'While I have shown and described present consid r best adapted to carryout its purposes, it will be understood that it is capable of modifications, and that I do not desire to. be limited in the interpretation of the following claims except as may be necessitated by the state of the prior art.

at I claim as new and desire to secure by Letters Patent of the United States, is:

1. In a sound-reproducing machine, a sound box, a needle holder carried by said sound box, an element for supporting said sound box in inoperative position, and a second element adapted to engage the point of a needle when said needle is in said needle h older to position said needle therein, one of said elements being stepped to permit adjustment in the length'of the needle projecting from said holder.

These steps can also be used Ibreech-loadiir'q needle holder.

needle in said bore, and

2. In a sound-reproducing machine. a Solnd box,v a needle holder carried thereby. Said' needle holder' having a bore therethrough adapted to receive a needle mounted in its upper end, means for clamping the means separate tft-om said needle holder upon which the end of the needle rests for properly positioning needles of different grades in said bore.

3. 'In a souud-repiaidtIcing machine. a

and needlepositioning means comprising a plurality ot' relatively fixed parts. said needle holdenl and said means being relatively movable whereby any one of said parts may be caused Ato aline with said needle holder and engage the point. of a needle to position the same in said holder.

4. In a sound-reproducingn'iaehine. a tone arm, a sound box secured to said tone arm` a breech-loading needle holder 'arried by the setuid box and adapted to hold the needle for actuating the diaphragm. and a stepped plate having a flangeto support said sound box when the latter isin the proper relative position. said stepped platey and sound box being. relatively movable and said needle holder being adapted to aline with a desired step of the plate for the purpose ot adjusting` the needle in the desired position in said holder.

5. In a sound-reproducing maehine, the combination with a tone-arm. of a sound box secured thereon. a ln'eeeh-loading needle holder mounted on the sound box. and a stepped plate having a supporting rail for said sound box'. said tone-arm being' movable to leringr the sound box on to the supporting rail for the purpose ot' positioning a needle, in the holder by means'of one. of lthe Steps ot' said plate.

6. In a sound-reproducing machine. the combination with a tone-arm, of a sound box secured thereon, a breeelrlotuline.r vneedle holder mounted on the sound box, a stepped plate having a supporting rail for the sound box. Said .stepped plate being adapted for 115e in positioning` a needle in the holder. Isaid tone-arm bein;r movable to bring the sound box ont o the supporting rail. and a discharge aperture adjacent the stepped plate to receive needles discharged from the needle holder.

7. ln a sound-reproducing maehinea toneA arm. a needle holder carried by .said toilearxn. a xed support. adjacent the position normally occupied by the tone-arm. a stepped plate mounted on the {ixed support. said tone-arm being movable to operative position with respect to said stepped plate. and means to support the tone-arm in said position adjacent the stepped plate. said stepped plate having a plurality of steps adapted to alin@ with the needle holder. whereby said steps may be caused to co-aet with the point of a needle to locate. the same in the proper position in said needle holder.

8. In a sound-reprodueing machine, a needle holder having a. bore therein adapted to receive a needle. means to clamp the needle in said bore.. a member by which the needle. holder is carried. and graduated means with which said needle. holder may be brought into alinement for the purpose of properly positioning needlesof dillierent` gradesln said needle holder.

9. In a sotuul-reproducing machine. a needle holder having a bore therethrough to receive aI needle. and a needle-positioning means separate from said holder having a olurality ot' parts eaeh adapted to aline with the. bore of the needle holder when the latter is in an inoperative position to engage an end of a needle and position the'same in said bore.

In Witness whereof I have hereunto setany hand and affixed my seal this tenth day of February, A. D. v1913. 1

FOREST CHENEY'. [11. s]

Witnesses z J oHN I-IowAnn MoELRoY, CHARLES I. Conn. 

